/Engine/Plugins/Experimental/PCG/Source/PCG/Public/Grid/PCGLandscapeCache.h
void GetInterpolatedLayerWeights ( const FVector2D & LocalPoint, [TArray](API\Runtime\Core\Containers\TArray)< [FPCGLandscapeLayerWeight](API\Plugins\PCG\Grid\FPCGLandscapeLayerWeight) > & OutLayerWeights ) const